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Date: Tue, 6 Jan 2015 17:49:18 -0800
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
stable@...r.kernel.org, Sumit Saxena <sumit.saxena@...gotech.com>,
Kashyap Desai <kashyap.desai@...gotech.com>,
Tomas Henzl <thenzl@...hat.com>, Christoph Hellwig <hch@....de>
Subject: [PATCH 3.18 15/84] megaraid_sas: dndinaness related bug fixes
3.18-stable review patch. If anyone has any objections, please let me know.
------------------
From: "Sumit.Saxena@...gotech.com" <Sumit.Saxena@...gotech.com>
commit 6e755ddc2935d970574263db3eca547eb70e67d7 upstream.
This patch addresses few endianness related bug fixes.
Signed-off-by: Sumit Saxena <sumit.saxena@...gotech.com>
Signed-off-by: Kashyap Desai <kashyap.desai@...gotech.com>
Reviewed-by: Tomas Henzl <thenzl@...hat.com>
Signed-off-by: Christoph Hellwig <hch@....de>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
drivers/scsi/megaraid/megaraid_sas_fp.c | 17 +++++++++--------
drivers/scsi/megaraid/megaraid_sas_fusion.c | 13 +++++++------
2 files changed, 16 insertions(+), 14 deletions(-)
--- a/drivers/scsi/megaraid/megaraid_sas_fp.c
+++ b/drivers/scsi/megaraid/megaraid_sas_fp.c
@@ -183,14 +183,15 @@ void MR_PopulateDrvRaidMap(struct megasa
/* New Raid map will not set totalSize, so keep expected value
* for legacy code in ValidateMapInfo
*/
- pDrvRaidMap->totalSize = sizeof(struct MR_FW_RAID_MAP_EXT);
+ pDrvRaidMap->totalSize =
+ cpu_to_le32(sizeof(struct MR_FW_RAID_MAP_EXT));
} else {
fw_map_old = (struct MR_FW_RAID_MAP_ALL *)
fusion->ld_map[(instance->map_id & 1)];
pFwRaidMap = &fw_map_old->raidMap;
#if VD_EXT_DEBUG
- for (i = 0; i < pFwRaidMap->ldCount; i++) {
+ for (i = 0; i < le16_to_cpu(pFwRaidMap->ldCount); i++) {
dev_dbg(&instance->pdev->dev, "(%d) :Index 0x%x "
"Target Id 0x%x Seq Num 0x%x Size 0/%llx\n",
instance->unique_id, i,
@@ -202,12 +203,12 @@ void MR_PopulateDrvRaidMap(struct megasa
memset(drv_map, 0, fusion->drv_map_sz);
pDrvRaidMap->totalSize = pFwRaidMap->totalSize;
- pDrvRaidMap->ldCount = pFwRaidMap->ldCount;
+ pDrvRaidMap->ldCount = (__le16)pFwRaidMap->ldCount;
pDrvRaidMap->fpPdIoTimeoutSec = pFwRaidMap->fpPdIoTimeoutSec;
for (i = 0; i < MAX_RAIDMAP_LOGICAL_DRIVES + MAX_RAIDMAP_VIEWS; i++)
pDrvRaidMap->ldTgtIdToLd[i] =
(u8)pFwRaidMap->ldTgtIdToLd[i];
- for (i = 0; i < pDrvRaidMap->ldCount; i++) {
+ for (i = 0; i < le16_to_cpu(pDrvRaidMap->ldCount); i++) {
pDrvRaidMap->ldSpanMap[i] = pFwRaidMap->ldSpanMap[i];
#if VD_EXT_DEBUG
dev_dbg(&instance->pdev->dev,
@@ -268,7 +269,7 @@ u8 MR_ValidateMapInfo(struct megasas_ins
else
expected_size =
(sizeof(struct MR_FW_RAID_MAP) - sizeof(struct MR_LD_SPAN_MAP) +
- (sizeof(struct MR_LD_SPAN_MAP) * le32_to_cpu(pDrvRaidMap->ldCount)));
+ (sizeof(struct MR_LD_SPAN_MAP) * le16_to_cpu(pDrvRaidMap->ldCount)));
if (le32_to_cpu(pDrvRaidMap->totalSize) != expected_size) {
dev_err(&instance->pdev->dev, "map info structure size 0x%x is not matching with ld count\n",
@@ -284,7 +285,7 @@ u8 MR_ValidateMapInfo(struct megasas_ins
mr_update_load_balance_params(drv_map, lbInfo);
- num_lds = le32_to_cpu(drv_map->raidMap.ldCount);
+ num_lds = le16_to_cpu(drv_map->raidMap.ldCount);
/*Convert Raid capability values to CPU arch */
for (ldCount = 0; ldCount < num_lds; ldCount++) {
@@ -457,7 +458,7 @@ u32 mr_spanset_get_span_block(struct meg
quad = &map->raidMap.ldSpanMap[ld].
spanBlock[span].
block_span_info.quad[info];
- if (le32_to_cpu(quad->diff == 0))
+ if (le32_to_cpu(quad->diff) == 0)
return SPAN_INVALID;
if (le64_to_cpu(quad->logStart) <= row &&
row <= le64_to_cpu(quad->logEnd) &&
@@ -520,7 +521,7 @@ static u64 get_row_from_strip(struct me
span_set->span_row_data_width) * span_set->diff;
for (span = 0, span_offset = 0; span < raid->spanDepth; span++)
if (le32_to_cpu(map->raidMap.ldSpanMap[ld].spanBlock[span].
- block_span_info.noElements >= info+1)) {
+ block_span_info.noElements) >= info+1) {
if (strip_offset >=
span_set->strip_offset[span])
span_offset++;
--- a/drivers/scsi/megaraid/megaraid_sas_fusion.c
+++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c
@@ -880,7 +880,7 @@ megasas_sync_map_info(struct megasas_ins
map = fusion->ld_drv_map[instance->map_id & 1];
- num_lds = le32_to_cpu(map->raidMap.ldCount);
+ num_lds = le16_to_cpu(map->raidMap.ldCount);
dcmd = &cmd->frame->dcmd;
@@ -1173,9 +1173,10 @@ megasas_fire_cmd_fusion(struct megasas_i
struct megasas_register_set __iomem *regs)
{
#if defined(writeq) && defined(CONFIG_64BIT)
- u64 req_data = (((u64)req_desc_hi << 32) | (u32)req_desc_lo);
+ u64 req_data = (((u64)le32_to_cpu(req_desc_hi) << 32) |
+ le32_to_cpu(req_desc_lo));
- writeq(le64_to_cpu(req_data), &(regs)->inbound_low_queue_port);
+ writeq(req_data, &(regs)->inbound_low_queue_port);
#else
unsigned long flags;
@@ -1373,7 +1374,7 @@ megasas_set_pd_lba(struct MPI2_RAID_SCSI
/* Logical block reference tag */
io_request->CDB.EEDP32.PrimaryReferenceTag =
cpu_to_be32(ref_tag);
- io_request->CDB.EEDP32.PrimaryApplicationTagMask = 0xffff;
+ io_request->CDB.EEDP32.PrimaryApplicationTagMask = cpu_to_be16(0xffff);
io_request->IoFlags = cpu_to_le16(32); /* Specify 32-byte cdb */
/* Transfer length */
@@ -1769,7 +1770,7 @@ megasas_build_dcdb_fusion(struct megasas
/* set RAID context values */
pRAID_Context->regLockFlags = REGION_TYPE_SHARED_READ;
- pRAID_Context->timeoutValue = raid->fpIoTimeoutForLd;
+ pRAID_Context->timeoutValue = cpu_to_le16(raid->fpIoTimeoutForLd);
pRAID_Context->VirtualDiskTgtId = cpu_to_le16(device_id);
pRAID_Context->regLockRowLBA = 0;
pRAID_Context->regLockLength = 0;
@@ -2254,7 +2255,7 @@ build_mpt_mfi_pass_thru(struct megasas_i
* megasas_complete_cmd
*/
- if (frame_hdr->flags & MFI_FRAME_DONT_POST_IN_REPLY_QUEUE)
+ if (frame_hdr->flags & cpu_to_le16(MFI_FRAME_DONT_POST_IN_REPLY_QUEUE))
cmd->flags = MFI_FRAME_DONT_POST_IN_REPLY_QUEUE;
fusion = instance->ctrl_context;
--
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